Water hardness in Šumburk nad Desnou
0.58 mmol/L soft
Tap water in Šumburk nad Desnou is soft: 0.58 mmol/L (58 mg/L · 3.4 gpg · 3.3 °dH).
Source: SčVK, Moje obec – kvalita vody (aktuální hodnoty) (2026) · data checked 2026-10-21
Range across supply zones: 21–78 mg/L.
Šumburk nad Desnou has soft water, with SčVK reporting a median of 58.1 mg/L as CaCO₃. The readings span 21.0 to 78.1 mg/L, which is a wide spread and suggests that more than one source or zone may feed the village. Soft water means little scale, but it also means detergent can be dosed low. Check the SčVK page for the current figure.
Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
Water data
| Total hardness | 0.58 mmol/L |
|---|---|
| Calcium (mg/L) | 20 |
| Magnesium (mg/L) | 2 |
| Utility | Severočeské vodovody a kanalizace, a.s. (SčVK) |
How Šumburk nad Desnou compares
- Tap water in Šumburk nad Desnou is 52 % softer than the median of the 1516 cities we track in Czechia (1.2 mmol/L).
- By hardness it ranks 1365 of 1516 in Czechia (1 = hardest); 10 % of these cities have softer water.
- In Liberecký kraj it is number 245 of 273 cities; the regional median is 1.26 mmol/L.
- Nearest city with clearly softer water: Rokytno, 10 km away (0.21 mmol/L).
- Nearest city with clearly harder water: Tanvald, 2 km away (0.76 mmol/L).
Ranking of the hardest and softest water in Czechia →
What it means at home
- Little or no limescale in kettles, water heaters or washing machines.
- Soap lathers easily; water does not dry skin or hair.
- Dishwasher: salt setting at minimum or off.
- No softener needed; a jug filter only changes taste.
How much salt will you use for softening?
No. Water this soft does not need softening.
Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Šumburk nad Desnou
| Brand | Setting for this water |
|---|---|
| Bosch | H00 |
| Miele | 3 °dH |
| AEG / Electrolux | 1 |
| Beko | 1st |
| Hoover | S0 |
| LG | H0 |
From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →
FAQ
Is Šumburk nad Desnou water hard or soft?
It is soft: 58 mg/L as CaCO₃ (3.4 gpg, 3.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Šumburk nad Desnou safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
How many grains per gallon is Šumburk nad Desnou water?
3.4 gpg, equal to 3.3 °dH, 5.8 °fH or 58 mg/L calcium carbonate.
What dishwasher salt setting should I use in Šumburk nad Desnou?
For 58 mg/L (3.3 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Šumburk nad Desnou?
No. With soft water a softener adds nothing.
Source
Source: SčVK, Moje obec – kvalita vody (aktuální hodnoty) (2026). Method: figure published by the water supplier. SčVK, Moje obec – kvalita vody (aktuální hodnoty) · Outdated figure? Tell us